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135619-33-9

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135619-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135619-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,1 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135619-33:
(8*1)+(7*3)+(6*5)+(5*6)+(4*1)+(3*9)+(2*3)+(1*3)=129
129 % 10 = 9
So 135619-33-9 is a valid CAS Registry Number.

135619-33-9Relevant articles and documents

Syntheses and 1H NMR Conformational Analyses of Diastereomeric 4,4'-(4,5-Dihydroxy-1,2-cyclohexanediyl)bis(2,6-piperazinedione)s and a Synthetically Related Tricyclic Octahydro-2,2-dimethyl-6-oxo-1,3-dioxoloquinoxaline-5,8-diacetic Acid Ester

Witiak, Donald T.,Wei, Yong

, p. 5408 - 5417 (2007/10/02)

Efficient syntheses for five of the six possible diastereomeric 4,4'-(4,5-dihydroxy-1,2-cyclohexanediyl)bis(2,6-dioxopiperazine)s (5-9) and a synthetically related tricyclic 1,3-dioxoloquinoxaline ring system 45 from their respective (4,5-dihydroxy

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